Two stage heat pump application, Rc w y, Y1 - compressor y2 - compressor stage 2 – Steffes 5140 Simplified Installation Guide User Manual
Page 7: The y1/y2 jumper must be installed, Aux. relay peak inputs, The w/e jumper must be removed

H/E
R C
Ou
td
oo
r
Ou
td
oo
r
COM
NC
NO
W/
D6
RLY1
To Control Board
D4
Fid 2
Blower
To Control Board
Ai
r
C3
P10
R1
R2
P11
D5 D7 D3
Wa
te
r
Y
1
Y
2
W
E
D2
J3
J2
J1
P5
D1
J4
P6
P4
Speed
Blower
J6
J5
C
B
A
D
P2
P3
Y1
AUX
O
G
Y2
Y1
2
Y2
2
2
O
C
R
Comfort Plus
LV Circuit Board
P7
P1
P9
P8
AP
P
RP
Peak
Aux.
Inputs
Relay
The Y1/Y2 Jumper must be installed
Honeywell TH5220D
Aux
E
L
C
G O/B
R
Y
R
c
Hydronic Heat Thermostat, Zone
Valve, End Switch, or Pump Control
C - Low Voltage Common
R - Low Voltage Hot
O - Reversing Valve
Y - Compressor
To Heat Pump
Outdoor Sensor
The W/E Jumper must be removed
STAND ALONE FURNACE APPLICATION WITH UNCONTROLLED AIR CONDITIONER
SINGLE STAGE HEAT PUMP APPLICATION
Thermostat
Stage
Thermostat
Output
Heat
Pump
Stage
% of
Selected
CFM
Heat Call Status
on Digital
Display*
Discharge Air
Temperature
Target
1
Y1/G
1
100%
HC1
L048
2
Aux/Y1/G
1
100%
HC2
L049
Fan Only
G
0
400 cfm
HCF
N/A
Cool Y1/G/O
1
100%
COOL
N/A
Hydronic
Heat Control
H/E
N/A
N/A
HC3
N/A
SINGLE STAGE HEAT PUMP
Contractor Use Only
TWO STAGE HEAT PUMP APPLICATION
Thermostat
Stage
Thermostat
Output
Heat
Pump
Stage
% of
Selected
CFM
Heat Call
Status on
Digital Display*
Discharge Air
Temperature
Target
1
Y1/G
1
50% or 70%**
HC1
L048
2
Y1/Y2/G
2
100%
HC1
L048
3
Aux/Y1/Y2/G
2
100%
HC2
L049
Fan Only
G
0
400 cfm
HCF
N/A
Cool 1
Y1/G/O
1
50% or 70%**
COOL
N/A
Cool 2
Y1/Y2/G/O
2
100%
COOL
N/A
Hydronic
Heat Control
H/E
N/A
N/A
HC3
N/A
Contractor Use Only
TWO STAGE HEAT PUMP
If installing a mechanical thermostat or
thermostat with anticipator, a resistor
kit is required (Order Item #1190015).
*
If multiple inputs are active, system will display highest Heat Call values.
** Systems built before 1/1/2011 are configured for 50% airflow in Stage 1. For more
information, refer to Instruction #1200601-High Speed Stage 1 Relay Installation.
* If multiple inputs are active, system will display highest Heat
Call values.
IMPORTANT
IMPORTANT
IMPORTANT
A
B
C
D
W /
E
Y1
/
Y2
J1
J2
J3
J4
J5
J6
Blower
Speed
A
B
C
D
W /
E
Y1
/
Y2
J1
J2
J3
J4
J5
J6
Blower
Speed
A
B
C
D
W /
E
Y1
/
Y2
J1
J2
J3
J4
J5
J6
Blower
Speed
P8
P9
Aux.
COM
NC
AP
NO
Relay
Honeywell TH5220D
Aux
L Y2
G
C
O/B
Hydronic Heat Thermostat, Zone
Valve, End Switch, or Pump Control
R
Y R
c
C - Low Voltage Common
Outdoor Sensor
O - Reversing Valve
R - Low Voltage Hot
To Heat Pump
Y1 - Compressor
Y2 - Compressor Stage 2
The W/E Jumper must be removed
The Y1/Y2 Jumper must be removed
Inputs
Peak
P1
P7
LV Circuit Board
Comfort Plus
To Control Board
P10
Fid 2
RLY1
D4
D6
R2
R1
P11
D3
D7
D5
W
E
Y1
Y2
Wa
te
r
Ai
r
P6
D1
P5
Blower
J3
J1
J2
J4
D2
To Control Board
P3
C
Blower
Speed
A
B
J5
J6
C3
D
P4
P2
O
W/
Y1
AUX
Y2 G
O
u
tdoor
O
u
tdoor
Y2
R
H/E
2
Y1
C
O
2
2
RP P
R
C
W/
NO
NC
COM
Ou
tdo
o
r
Ou
tdo
o
r
C
R
H/E
The Y1/Y2 Jumper must be installed
RLY1
D6
To Control Board
Fid 2
D4
Blower
To Control Board
O
D3
R2
R1
D7
D5
P11
W
E
Y
1
Y
2
Wa
te
r
J4
D1
P5
J1
J2
J3
P10
P6
D2
D
A
B
C
C3
J5
J6
Blower
Speed
P4
P3
AUX
Y2 G
Y1
O
2
2
Y2
Y1
R
Ai
r
LV Circuit Board
Comfort Plus
P7
P8
P2
P1
C
P9
RP
2
AP
P
Aux.
Relay
Peak
Inputs
G
TH5110D
R
C
W
Y
Honeywell
R
c
(If being used in the application)
Air Conditioner Connections
C
Y
The W/E Jumper must be removed
Hydronic Heat Thermostat, Zone
Valve, End Switch, or Pump Control