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12
6-175.7
GAS CONTROL DATA - ALL MODELS
Table 12.2 - Gas Controls – All Models N
Model
Supply
Voltage
Phase Motor Voltage
Power Exhaust
& Gas Control
Circuit Voltage
Accessory
Transformer
Required M
Factory
Installed
Transformer
Motor Starter
Coil Voltage
HDS/HDC
& PTS
115 1
115V/1ph 115V/1ph
none
115V to 24V none
208
1 or 3
208V to 115V
230 230V to 115V
460
3
460V to 115V
575 575V to 115V
BTS
115 1 115V/1ph
115V/1ph
none
115 to 24V
none
208
1
208V/1ph
208V to 115V
115V
230 230V/1ph
230V to 115V
208
3
208V/3ph
208V to 115V
230 230V/3ph
230V to 115V
460
3
460V/3ph
460V to 115V
575
575V/3ph
575V to 115V
Table 12.1 - Electrical Selection Details - All Models
Model
Size Control System Description
Gas
Type
Control
Code
Control
Voltage
30-400
Single-Stage, Direct Spark Ignition Natural 11
24V
Utilizes a single-stage combination gas control and an ignition control.
Gas is automatically lit with the direct spark igniter on call for heat.
Propane 21
75-400
Two-Stage, Direct Spark Ignition Natural 12
Utilizes a two-stage combination gas control (fires at 50% or 100% of full
rated input) and an ignition control. Gas is automatically lit with the direct
spark igniter on call for heat.
Propane 22
M For accessory transformer sizing, refer to Table 6.2 for HDS, HDC, and PTS models and Table 7.5 for model BTS.
N All ignition controls are 100% Shut-Off with Continuous Retry.