Detroit Radiant Products DST-60N, Руководство по установке, Страница: 35 / 52

35
DST Series
3.0 Installation • Field Wiring • Unit Start-Up (Commissioning) • Pre-Start Up Checks
CONTROL DEVICE
TYP. TWO STAGE T-STAT OR
SWITCH
RELAY BOX
(1 PER HEATER)
W2
W1
R
C
TRANSFORMER
L1
L2
P/N: ERK
C W1 W2
RELAY BOX
(1 PER HEATER)
P/N: ERK
C W1 W2
RELAY BOX
(1 PER HEATER)
P/N: ERK
C W1 W2
OPTIONAL 24V COMMON
CHECK THERMOSTAT
INSTRUCTIONS TO SEE
IF NEEDED
24V
120V
G W B G W B G W B
Field Wiring:
1
24 VAC/20VA transformer (.8 Amp) per heater is required (supplied by installer).
2
Maintain electrical polarity when hooking up multiple heaters.
3
Allow heaters to be switched by zones for heating flexibility.
4
Do not attempt to install transformer inside of heater.
Unit Start-up (Commissioning)
WARNING
!
Improper installation, adjustment, alteration, service, or maintenance can cause
property damage, serious injury, or death. This heater must be installed and serviced by
a trained gas installation and service personnel only.
Shock Hazard.
Before attempting to perform any service or maintenance, turn electrical power to unit
OFF
at disconnect switch.
CAUTION
!
Pre-Start Up Checks
Verify that the installation conforms to all of the specifications of the manual, as well as with local,
state, national, and provincial codes. In absence of local codes, the unit heater must be installed
according to the current National Fuel Gas Code ANSI Z223.1 (NFPA 54).
Prior to starting up the unit, verify that:
9
The gas type listed on the rating label matches that of your application.
9
The gas connections have been purged of air and properly leak tested.
Figure 3.18 • Field Wiring Diagram - Controlling multiple heaters with a single control device
Starting Amp Draw: 5.2 Amps
Running Amp Draw:
0.7 Amps