C US
342 N. Co. Rd. 400 East
Valparaiso, IN 46383
219-464-8818 • Fax 219-462-7985
www.heatwagon.com
Installation and Maintenance Manual
Please retain this manual for future reference.
DG250/DG400
Ductable
Construction
Heater
For your safety: Do not use this heater in
a space where gasoline or other liquids
having flammable vapors are stored.
Revision 5-16
2
3
AB 1
T
NOTE
4
Temp Rise 170º 180º
Recommended Duct WD1625HT5 WD2025HT5
Duct Adaptor AR250 AR400
Thermostat (confirm correct thermostat with serial number p.10-11) DIGTHIDF-5 DIGTHIDF-5
or or
DIGTHIDF DIGTHIDF
pg.9
pg.4
pg.4
meeting electrical requirements. Tab 1, pg. 4
NOTE: Max incoming gas pressure
is 1/2 PSI (14” W.C.) recommend
installation of install kit. Part#
INSTKIT (optional)
See page 16.
5
Fig. 3
Pg. 8
Fig. 4
tested and set-up
will it
put
again
set-up
Pg. 8
6
Note: Jumper plug must be installed.
is operated with (DIGTHIDF) thermostat
page 9 and find the cause.
DO NOT UNPLUG TO STOP HEATER!
• Stop the machine as indicated in HEATING MODE section
(Turning OFF)
• Stop the machine as indicated in HEATING MODE section
(Turning OFF)
14
Pg. 8
shield
8
7
(see Heating Mode, Page 7)
(see Heating Mode, Page 7)
8
Note: To measure manifold pressure use
gas pressure test set Part #G24507
The heater fails to start/ignite
•
Faulty operation of room thermostat
•
onnect thermostat (optional) or blind plug to
C
hermostat receptacle. Unit will not run without
t
ne of these items plugged into receptacle.
o
Defective transformer or electronic
•
control unit
Control board or overheat limit
•
needs reset
• Faulty air switches
Confirm “H” Mode)
(
Call Tech Service
•
Push button to reset (see below)
•
• Confirm correct supply & manifold
gas pressure
• Make sure the warm air can exit freely
• Call Tech Service
• Check the air switch, filter & tube,
replace if defective
• Call Tech Service
Volatile lockout, hold reset button for a least one nimute, red light should go out, let control board
“reboot” for at least another minute before attempting to start again.
9
Wiring Diagram
For model DG250, starting from SN 43300101
For model DG400, starting from SN 43400201
Note: 5 pin thermostat plug
10
P/N - E10325
Wiring Diagram
For model DG250, prior to SN 43303001
For model DG400, prior to SN 43403001
Note: 4 pin thermostat plug
P/N - E10325
(2)
11
DG250
Parts
Breakdown
B
B
OBSOLETE
12
DG250 Parts List
POS P/N DESCRIPTION
01 G03146-9005 Outlet cone
02 M10203/1/B Screw
03 G03113 Front disc
04 G03148 Combustion chamber
05 E50745 Safety thermostat
06 M20413 Hose bracket
07 G03149-9010 Upper body
08 G03151-9010 Inspection panel
09 G03153-9010 Lower body
10 C30372 Cable protection
11 G03155 Rear disc
12 E10245 Ionisation electrode
13 I40332 Silicone pipe
14 I39106 Flex gas pipe
15 I20326 Fitting
16 G06125-9005 Air conveyor
17 C30374 Pipe cap
18 E10678-110 Motor - AACO
E10771 Motor - Simel
19 E11230 Capacitor - For AACO motor (40mf)
E10771-1 Capacitor - For Simel motor (30mf)
20 T10260 Fan
21 P30169 Inlet grill
22 G03414-9005 Valve support plate
23 I39102 Seal
24 I31205-1 Fitting
25 I20327 Fitting
26 I31209-1 Fitting
27 T30330-3 Gas selector valve
31 T30349 Gas manual valve
37 G03156-9010 Pressure switch support bracket
38 E50444 Pressure switch
39 I30414 Filter
40 E50440 Pressure switch
42 I40335 Silicone pipe
43 I20669 Hose connection
44 E20952 Cable fastener
45 E20955 Cable fastener nut
46 C30376 Cable protection
47 E50750 Safety thermostat plastic profile
48 G03158-9010 Base
49 P50127 Control box cover
50 G00375-5P El. control box - with 5 pin T-stat receptacle
G00287 El. control box - with 4 pin T-stat receptacle
51 G03176 El. control box panel
52 E20508 Fuse holder
53 E10323 Fuse
54 E11153 Relay
55 E20319 Ground terminal board
56 E20305 Terminal board
57 E10931 H.T. Transformer
58 E40229 Flame control box
59 E11125 Relay
60 G06073 Support plate
61 E20418 Stop button protection
POS P/N DESCRIPTION
62 E10110-1-P Switch
63 E20639 Plug housing - 5 pin, female
E20640 Plug housing - 4 pin, female
64 E20966 Plug with jumper - 5 pin
E20677 Plug with jumper - 4 pin
65 E30443 Power cord
E30443-1 Power cord (used with cable nut)
66 E11030 Lamp
67 G03144-X Stirrup
68 M20413 Hose bracket
69 I40303 Pipe
72 M10323/1 Screw
73 GA.0010208 Burner disc
74 GA.0110205 Diffuser ring
75 E20679 Terminal board
76 G03129 Burner support plate
77 E10215 Ignition electrode
78 G02078 H.T. Cable connect.
79 G03160-9005 Lifting bracket
80 G03161-9005 Lifting bracket
81 G03162-9005 Frame
82 G03163-9005 Wheel axle
83 M20111 Washer
84 C10556 Wheel - Air filled
C10510 Wheel - Hard rubber
85 M20505 Latched pin
86 G03164-9005 Support
87 G03165-9005 Frame
88 G03166-9005 Frame
89 G03167-9005 Handle plate
90 C10203 Handle
91 E11021 Lamp
92 I31131 Brass hose connection
93 I31132 Brass hose connection
94 T30119 Regulator
95 T30118 Gas valve unit
96 I20335 Fitting
97 E20950 Fastener nut
98 E20949 Cable fastener
99 E20965 Cable nut
100 E20964 Cable fastener
NOTE: Not shown
Fuse for Flame Control Box - E10325
Optional Thermostat (5 Pin)
DIGTHIDF-5 Optional thermostat with 50’ cord
7979K24 5 pin plug insert
7979K32 5 pin plug cover
13
DG400
Parts
Breakdown
14
DG400 Parts List
POS P/N DESCRIPTION
01 G06139-9005 Outlet cone
02 M10203/1/B Screw
03 G03114 Front disc
04 G03147 Combustion chamber
05 E50745 Safety thermostat
06 M20413 Hose bracket
07 G03150-9010 Lower body
08 G03152-9010 Inspection panel
09 G03154-9010 Lower body
10 C30372 Cable protection
11 G03126 Rear disc
12 GA.0100206 Ionisation electrode
13 I40332 Silicone pipe
14 I39106 Flex gas pipe
15 I20326 Fitting
16 G06239-9010 Air conveyor
17 C30374 Pipe cap
18 E10704-110 Motor - AACO
E10772 Motor - Simel
19 E11249 Capacitor - For AACO motor (80mf)
E10772-1 Capacitor - For Simel motor (100mf)
20 T10261 Fan
21 P30129 Inlet grill
22 G06330-9005 Valve support plate
23 I39102 Seal
24 I31205-1 Fitting
25 I20326 Fitting
26 I31204 Fitting
27 T30330-2 Gas selector valve
31 T30333 Gas manual valve
32 E20943 Cable fastener
33 E20932 Cable fastener nut
34 T30111 Gas valve unit
35 G06332-9005 Gas valve support bracket
36 M20907 Stirrup
37 G03157-9010 Pressure switch support bracket
38 E50443 Pressure switch
39 I30414 Filter
40 E50441 Pressure switch
41 I40336 Rilsan pipe
42 I40335 Silicone pipe
43 I20669 Hose connection
44 E20952 Cable fastener
45 E20955 Cable fastener nut
46 C30376 Cable protection
47 E50750 Safety thermostat plastic profile
48 G03159-9010 Base
49 P50127 Control box cover
50 G00286-5P El. control box - for 5 pin T-stat
G00286 El. comp. drawer - for 4 pin T-stat
51 G03176 El. control box panel
52 E20508 Fuse holder
53 E10313 Fuse
54 E11153 Relay
55 E20319 Ground terminal board
56 E20305 Terminal board
57 E10931 H.T. Transformer
58 E40229 Flame control box
59 E11125 Relay
POS P/N DESCRIPTION
60 G06073 Support plate
61 E20418 Stop button protection
62 E10110-1-P Switch
63 E20638 Plug housing - 5 pin female
E20640 Plug housing - 4 pin female
64 E20966 Plug with jumper - 5 pin
E20677 Plug with jumper - 4 pin
65 E30443 Power cord
E30443-1 Power cord - used with cable nut
66 E11030 Lamp
70 I20325 Fitting
71 I31130 Brass hose connection
72 M10323/1 Screw
73 GA.0010208 Burner disc
74 GA.0100204 Diffuser ring
75 E20679 Terminal board
76 G03129 Burner support plate
77 E10215 Ignition electrode
78 G02078 H.T. Cable connection
79 G03168-9005 Lifting bracket
80 G03169-9005 Lifting bracket
81 G03170-9005 Frame
82 G03171-9005 Wheel axle
83 M20111 Washer
84 C10556 Wheel - Air filled
C10510 Wheel - Hard rubber
85 M20505 Latched pin
86 G03172-9005 Support
87 G03173-9005 Frame
88 G03174-9005 Frame
89 G03175-9005 Handle plate
90 C10203 Handle
91 E11021 Lamp
92 I31131 Brass hose connection
93 E20965 Cable nut-units SN 43400232 and beyond
94 E20964 Cable fastener-units SN 43400232 and beyond
NOTE: Not shown
Fuse for Flame Control Box - E10325
Optional Thermostat (5 Pin)
DIGTHIDF-5 Optional thermostat with 50’ cord
7979K24 5 pin plug insert
7979K32 5 pin plug cover
15
Optional Accessories
Note: If your incoming gas supply pressure is greater than 1/2 psi you will need a regulator
to reduce the incoming pressure before installation to heater.
REGULATOR
#40SV06
Handles up to 60 psi
For NG pressure
1-5 lbs. Call Heat Wagon
GAS HOSE
#7525 - 3/4” x 25’
CSA certified for
NG and Propane
Female Swivel
Fittings Included
ACC-INSTKIT
Everything you need for installation of
propane tank to heater.
(Includes 25’ of 3/4” hose)
PRESSURE GAUGE
#HV1169
W.C. 0-15”
1/4” MNPT
Duct and Thermostat Information
See Page 4
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