Steffes 612EXT Owner & Installers Manual User Manual
Page 3

- I -
TABLE OF CONTENTS
1.
GENERAL INFORMATION ..................................................................................................................................................
1
2.
OPERATION
....................................................................................................................................................................... 1 - 3
A.
SAFETY TIPS ..................................................................................................................................................................................
1
B.
CONTROL STRATEGY ............................................................................................................................................................... 2 - 3
-Core Charging Schedule (Table 1) .........................................................................................................................................
1
-S Series
Space Heating .....................................................................................................................................................................
2
Core Charging .....................................................................................................................................................................
2
-EXT Series
Space Heating (Figure 1) ....................................................................................................................................................
2
Core Charging (Figure 1) ....................................................................................................................................................
3
Overrides (Figure 2) ............................................................................................................................................................
3
Indicator Lights (Figure 2) ..................................................................................................................................................
3
C.
CONTROL DEVICES/SAFETY LIMIT DEVICES (Table 2) .......................................................................................................
4
D.
MAINTENANCE/CLEANING .......................................................................................................................................................
4
-Service Light ...........................................................................................................................................................................
4
3.
INSTALLATION ...................................................................................................................................................................
5 - 8
A.
PLACEMENT ..................................................................................................................................................................................
5
B.
CLEARANCE REQUIREMENTS ..................................................................................................................................................
5
C.
SET-UP PROCEDURE .................................................................................................................................................................. 5 - 8
-Room Unit and Site Preparation .............................................................................................................................................
5
Wall Attachment (Figure 3) ................................................................................................................................................
5
-Electrical Connections ............................................................................................................................................................
6
120V Cord Connect (Figure 4) ...........................................................................................................................................
6
-Brick Loading .........................................................................................................................................................................
7
Brick Stacking (Figure 5) ....................................................................................................................................................
7
Grill Attachment (Figure 6) ................................................................................................................................................
8
-Room Thermostat Installation .................................................................................................................................................
8
4.
APPENDIX
.......................................................................................................................................................................
9 - 24
A.
UNIT SPECIFICATIONS (Table 3) ................................................................................................................................................
9
B.
WIRING ....................................................................................................................................................................................... 10 - 16
-Field Connection Wiring (Table 4) .........................................................................................................................................
10
-Unit Identification Label (Figure 7) ........................................................................................................................................
10
-Unit Wiring (Table 5) .............................................................................................................................................................
10
-Typical System Wiring Diagrams ....................................................................................................................................... 11 - 12
Automatic Charge Control - S Series (Figure 8) ................................................................................................................
11
Manual Charge Control - S Series (Figure 9) ....................................................................................................................
11
Automatic or Manual Charge Control - EXT Series Shown with Two-Mode Circuit Board (Figure 10) ........................
11
Automatic or Manual Charge Control - EXT Series Shown with Multi-Mode Circuit Board (Figure 11) .......................
12
-Unit Wiring Diagrams ......................................................................................................................................................... 12 - 15
212S - 312S (Figure 12) .....................................................................................................................................................
12
412S (Figure 13) .................................................................................................................................................................
12
512S - 612S (Figure 14) .....................................................................................................................................................
13
212EXT - 312 EXT Shown with Two-Mode Circuit Board (Figure 15) ...........................................................................
13
212EXT - 312EXT Shown with Multi-Mode Circuit Board (Figure 16) ..........................................................................
14
212EXT - 312EXT Shown with Multi-Mode Circuit Board and 120 Volt Cord Connect(Figure 17) ..............................
14
412 EXT Shown with Two-Mode Circuit Board (Figure 18) ............................................................................................
15
512EXT - 612EXT Shown with Two-Mode Circuit Board (Figure 19) ............................................................................
15
-Circuit Board Face Plates - EXT Series ..................................................................................................................................
16
Two-Mode (Figure 20) .......................................................................................................................................................
16
Multi-Mode (Figure 21) ......................................................................................................................................................
16
Variable Charge (Figure 22) ...............................................................................................................................................
16
-Charge Control Board Configuration - EXT Series ................................................................................................................
16
Multi-Mode Circuit Board Configurator (Figure 23) .........................................................................................................
16
Two-Mode Board Configurator (Figure 24) .......................................................................................................................
16
Jumper Configurations ........................................................................................................................................................
16
C.
EXPLODED VIEW DIAGRAM - EXT Series (Figure 25) ............................................................................................................
17
D.
EXPLODED VIEW DIAGRAM - S Series (Figure 26) ..................................................................................................................
18
E.
ROOM UNIT PARTS LIST - S and EXT Series (Table 6) ......................................................................................................... 19 - 20
F.
ROOM UNIT TROUBLESHOOTING GUIDES - S SERIES ONLY ........................................................................................ 21 - 24