Electrical Connections - Space-Ray PTS 40-N7/L7 Installation And Operation Instructions Manual

4. Check the burner at step pressure, observing burner ignition and flame characteristics. The burner should
ignite properly and without flashback to the orifice, and should remain lit.
GAS TYPE GAS TYPE
GAS TYPE GAS TYPE
Natural Gas
Propane Gas
* Minimum permissible gas supply pressure for purpose of input adjustment.
7" W.C. for Models 150-200
1
2 12" W.C. for Model 200
15.0)

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.
GAS PRESSURE TABLE GAS PRESSURE TABLE GAS PRESSURE TABLE GAS PRESSURE TABLE
MANIFOLD PRESSURE MANIFOLD PRESSURE MANIFOLD PRESSURE MANIFOLD PRESSURE
High High Low Low
High High Low Low
3.5" W.C. 1.4" W.C.
10.0" W.C. 4.0" W.C.
-32-
SUPPLY PRESSURE SUPPLY PRESSURE SUPPLY PRESSURE SUPPLY PRESSURE
Minimum* Minimum*
Minimum* Minimum*
5" W.C.
1
11" W.C.
2
ELECTRIC SHOCK HAZARD
Maximum Maximum
Maximum Maximum
14" W.C.
14" W.C.
Form 43343530
Aug 2012