0501UCA
19/25
DESCRIPTION
PART NUMBER
MFGS. REF.
APPLICATION
Wiring harness. Hot surface connection
HS
06 41531 HGC
-
All HS
Wiring harness. 2 stage burner control
HS
06 41621
-
All HS
Terminal rail
HS
06 41635
Entrelec
All HS
Gas valve connector plug 230V
TE
03 24980 V1
Honeywell
55
→
95
10.3 AIR HANDLING SECTION
DESCRIPTION
PART NUMBER
MFGS. REF.
APPLICATION
Axial fan
02 25702
N4-305-28-½"
25
Axial fan
02 25704
N4-381-34-½"
30
Axial fan
02 25709
N4-457-34-½"
35
→
55
Axial fan
2 off used
02 25712
N4-406-34-½"
75
Axial fan
2 off used
02 25709
N4-457-34-½"
95
11. CONVERSION DATA
11.1 UCA air heaters are designed to operate on
natural, propane or butane gas and will be
supplied fitted for the gas type ordered.
In the event of site conversion to a different gas
type it is be necessary to convert the gas
burner and burner controls.
To carry out the conversion refer to section 9 of
this document which explains how to remove
and replace the burner assembly.
11.2 The following changes must be made:
a.
Change the main burner jets to the size
as given in 10.1;
b.
Change the ignition burner jet as given in
10.1;
c. Set burner primary air shutter as
appropriate referring to figure 17;
d. Adjust
gas
governor;
Natural gas to setting pressure as per
data plate supplied;
LPG gases to maximum pressure setting
adjuster screwed in to stop. Seal
governor after setting.
For LPG gases a governor blank off plate
may be used, remove governor and fix
plate;
e.
Affix new data plate and gas type over-
sticker
11.3 Upon completion of conversion re-commission
the air heater in accordance with section 8 of
this document.
Figure 17 : Gas conversion data
Air shutter setting Natural gas
Air shutter setting Propane/Butane gas
