Reznor B Unit Installation Manual - Manual (Page 13)

Form I-F/B, P/N 98126 R21, Page 13
FIGURE 10 - Four-Point
Suspension with Swivel
Connections
(Applies to both fan
and blower models)
Four Optional Swivel
Connectors for hanging
from 1" pipes
5) Special Four-Point Suspension with Nearly Equal Loading (applies to
Model B 165-400 only) - Option CK19 (See FIGURE 11)
This suspension option is designed for special applications when a suspension system
is needed that has nearly equal loading at all four suspension points. Use this option in
installations with spring isolation designed for seismic protection or when threaded rod
hangers are longer than twelve inches.
Suspension points change with the addition of the hanger bars in kit Option CK19; see
FIGURE 11.
FIGURE 11 - Suspension Dimensions for
Model B Size 165-400 Heater with Hanger Kit
Option CK19
A (Standard suspension points/hanger bars)
B (Suspension points with Option CK19) 1-3/8
(35)
1-3/8
(35)
Front View of Model B with Option CK19
Airflow
Side View of Model B with Option Ck19
17-3/8 (441) 18-3/4 (476)
19-15/32 (495)
4-7/8
(124)
Size
A B A B
Dimensions - inches Dimensions - mm
165 18-5/8 15-7/8 473 403
200 21-5/8 18-7/8 549 479
250 27-1/8 24-3/8 689 649
300 27-1/8 24-3/8 689 649
400 35-3/8 32-5/8 899 829
includes two hanger bracket assemblies, four swivel hanger connector assemblies and
four lock washers.
4) Four-Point Swivel Connectors - Option CK10 (See FIGURE 10)
This option package is used on a heater that is already equipped with four-point sus-
pension to adapt it for suspension from four 1", threaded, stationary pipes. The kit
includes four swivel hanger connector assemblies and four lock washers.
6. Mechanical
6.1 Gas Piping and
Pressures
6.1.1 Gas Supply and Connections
WARNING: This appliance is equipped for a maximum gas
supply pressure of 1/2 psi, 3.5 kPa, or 14 inches water column.
Supply pressure higher than 1/2 psi requires installation of
an additional service regulator external to the unit.
PRESSURE TESTING SUPPLY PIPING
Test Pressures Above 1/2 PSI: Disconnect the heater and manual valve from the gas
supply line which is to be tested. Cap or plug the supply line.
Test Pressures Below 1/2 PSI: Before testing, close the manual valve on the heater.