
Form 43343120
-30-
July 2021
GAS PRESSURE TABLE
GAS TYPE
MANIFOLD PRESSURE
High Low (2-stage only)
SUPPLY PRESSURE
Minimum*
Maximum
Natural Gas
3.5” W.C.
1.4” W.C.
5” W.C.
14” W.C.
Propane Gas
10.0” W.C.
4.0” W.C.
11” W.C.
14” W.C.
* Minimum permissible gas supply pressure for purpose of input adjustment.
13.0)
ELECTRICAL CONNECTIONS
30.
All electric wiring shall conform to the latest edition of the National Electrical Code (ANSI/NFPA No. 70), or
the code legally authorized in the locality where the installation is made.
A.
The unit must be electrically grounded in accordance with the National Electrical Code (ANSI/NFPA No.
70-latest edition). In Canada, refer to current standard C22.1 Canadian Electrical Code Part 1.
B.
The wiring providing power to the heater shall be connected to a permanently live electrical circuit, one
that is not controlled by a light switch.
C.
The power supply to the unit should be protected with a fused disconnect switch or circuit breaker. A
service switch, as required by local codes, shall be located in the vicinity of the heater (check local codes
for allowable distances) and should be identified as Heater Service Switch.
All electrical wiring must be located in accordance with the required Clearances to Combustibles from the
heater as listed on the nameplate on the heater.
D.
Connection to the power supply is provided by an 18/
3 gauge x 72” long cord with grounded 3 prong
plug.
E.
The post purge function of the burner (fan on for 30 seconds after the call for heat) will only be enabled
when using a 24 Volt thermostat. With the line Voltage thermostat post purge operation is disabled.
F.
If any of the original wire as supplied with the appliance must be replaced, it must be replaced with
wiring material having a temperature rating of at least 105ºC. (18 Ga. CSA 600V Type TEW)
G.
When connecting the supply circuit to the heater, wiring material having a minimum size of 14 AWG and
a temperature rating of at least 90ºC shall be used.
Содержание PGR 100-L5
Страница 47: ...Form 43343120 46 July 2021 18 0 CONTROL COMPONENT LOCATION ...
Страница 49: ...Form 43343120 48 July 2021 20 0 TROUBLESHOOTING GUIDE SINGLE STAGE N5 L5 ...
Страница 50: ...Form 43343120 July 2021 49 TROUBLESHOOTING GUIDE SINGLE STAGE CONTINUED ...
Страница 51: ...Form 43343120 50 July 2021 TROUBLESHOOTING GUIDE SINGLE STAGE CONTINUED ...
Страница 52: ...Form 43343120 July 2021 51 20 8 TROUBLESHOOTING GUIDE TWO STAGE N7 L7 ...
Страница 53: ...Form 43343120 52 July 2021 TROUBLESHOOTING GUIDE TWO STAGE CONTINUED ...
Страница 54: ...Form 43343120 July 2021 53 TROUBLESHOOTING GUIDE TWO STAGE CONTINUED ...
Страница 56: ...Form 43343120 July 2021 55 21 10 REMOVING GAS VALVE AND MANIFOLD ASSEMBLY 21 11 AIR SWITCH PRESSURE CHECK ...