Space-Ray PCA-SS 100, Инструкции по сборке, установке и эксплуатации, Страница: 30 / 62

Form 43343110
May 2021
-29-
*
*Minimum permissible gas supply pressure for purpose of input adjustment.
1
7” W.C. for PCA-SS 150/100
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.
1
14” W.C.
Propane Gas 10.0” W.C. 4.0” W.C. 11” W.C. 14 ” W.C.
13.0) ELECTRICAL CONNECTIONS
1. 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.
2. 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.
3. 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.
4. 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.
5. Connection to the power supply is provided by an 18/3 gauge x 72” long cord with grounded 3 prong plug.
6. 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.
7. 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)
8. A replaceable 2-amp fuse (1- 1/4” long) is fitted to the terminal block located insid e the junction box
assembly.