Raypak HI DALTA HD101 User Manual download pdf (Page 32)

Modulating Temperature

Control (Optional)

his heater can be equipped with a Raypak modulat-

ing temperature control. For operation with this control,

refer to the Temp-Tracker Installation and Operating

Instructions, Raypak Catalog number 5000.66 (P/N

241177).

High Limit (Manual Reset)

The heater is equipped with a manual reset high limit

temperature device. If the optional adjustable limit is

used, push the reset button and adjust the setting to

30°F or 40°F above desired operating temperature.

High Limit — Auto Reset

(Optional)

This heater may be equipped with an optional adjust-

able auto reset high limit temperature device.

CONTROLS

Ignition Control Module

The interrupted proved ignition device conserves ener-

gy. When additional heat is needed, the combustion air

blower starts to purge all air from the combustion

chamber for about 15 seconds. On proof of air flow,

the air proving switch closes and the igniter is ener-

gized, eliminating the fuel costs of maintaining a

constant pilot.

To ensure safe operation, the gas valve cannot open

until the igniter is verified as capable of igniting the

gas. The ignition module is an electronic device which

closes the main gas valve within 8/10 of a second

whenever the flame is interrupted. The main burner is

automatically lit when the device is powered and pre-

purged. The unit performs its own safety check.

ARNING: Installation, adjustment and service of

heater controls including timing of various operating

unctions must be performed by a qualified installer,

service agency or the gas supplier. Failure to do so

may result in control damage, heater malfunction,

property damage, personal injury, or death.

WARNING: Turn off the power to the heater before

installation, adjustment or service of the heater

controls. Failure to do so may result in heater

malfunction, property damage, personal injury, or

death.

CAUTION: This appliance has provisions to be

connected to more than one (1) supply source. To

reduce the risk of electric shock, disconnect all such

connections before servicing.

CAUTION: Risk of electric shock. More than one

(1) disconnect switch may be required to de-

energize the equipment before servicing.

Fig. 23: Ignition Module

Fig. 25: Manual Reset High Limit

Fig. 24: Modulating Temperature Control

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 47 48

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Raypak HI DALTA HD101 User Manual Page 32

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