Manual

Item Part # Description Qty Item Part # Description Qty
Midco International Inc.
13
8471 38
EC Parts List and Lighting Instructions
1 5236-43 Air Restrictor Pack Includes Orifi ce(.173),
Orifi ce Spring and Hardware 1
2a 5236-20 EC200 Burner Head Assembly 1
2b 5236-19 EC300 Burner Head Assembly 1
3 8452-44 Bracket Spacer 2
4 5236-18 EC200/EC300 Flame Rod Assembly 1
5 5236-16 EC200/EC300 Spark Rod Assembly 1
6 5232-25 Flame and Spark Rod Bracket 2
7 8505-94 Flame Rod Wire Assembly 1
8 8505-93 SAEJ2031 Ignition Cable Assembly 1
9a 5236-13 EC200 Blast Tube 1
9b 5236-14 EC300 Blast Tube 1
10 8495-04 1/2″ Elbow 1
11a 8437-57 EC200 Motor Blower Assembly
(Includes Wheel and Motor) 1
5236-64 EC200 Blower Wheel 1
5236-66 EC200 Blower Motor 1
11b 8437-56 EC300 Motor Blower Assembly
(Includes Wheel and Motor) 1
5236-65 EC300 Blower Wheel 1
5236-67 EC300 Blower Motor 1
12 5236-26 EC200/EC300 Washer
EC200 4
EC300 5
13 8487-50 1/2″ Close Nipple 2
14a 5236-17 EC200 Special Washer 1
14b 5236-15 EC300 Special Washer 1
15 8493-67 1/2″ Full Coupling 1
16 8487-53 1/2″ X 2-1/2″ Long Nipple 1
17 8494-02 1/2″ Tee 1
18 5726-72 R Main Spud- .173 Dr (#17) Orifi ce 1
19 6622-30 Orifi ce Spring 1
20 8496-17 1/2″ Square Plug 1
21 8492-51 3/4″ X 1/2″ Hex Bushing 1
22a 8419-70 EC200 -Redundant Combination
Slow Opening Valve VR8305K4233 1
22b 8419-75 EC300 Direct Spark Gas Valve
Slow Opening Valve VR8305K4852 1
23a 5236-48 Air Shutter Assembly EC200 1
23b 5236-47 Air Shutter Assembly EC300 1
24 5236-35 Inlet Ring And Air Screen Weldment
EC200 Only 1
25 8480-40 4″ X 4″ Raised Electric Box Cover 1
26 8429-51 Fenwal 2461DSI Controller 1
27 5236-23A Control Assembly
(Includes Control; Transformer and Box) 1
28 8457-47 Strain Relief 2
Not Shown
8452-16 Mounting Flange Kit w/ Gasket
8452 48 Flange Gasket
5734-51 Transformer Repair Kit - EC200/ EC300
7400-20 Wire Kit
Important: Availability of parts as well as specifi cations are
subject to change without notice. Please consult factory for
item availability. Avoid errors in parts selection, when ordering,
use complete Midco Part number and description. Furnish
burner model number, bill of material number and date code
from the Specifi cation Plate located on the burner.
1. Set operating control to OFF or thermostat below room temperature for at least 30 seconds.
2. Turn manual gas cock knob on combination valve to ON.
3. Turn burner power ON.
4. Set operating control to ON or thermostat to call for heat (there is a 30 second pre-purge).
5. Wait 37 seconds. If burner fails to light, or if burner lights then goes out and system goes into
safety lockout, de-energize the system by setting operating control to OFF or thermostat below
room temperature for at least 30 seconds to reset the system. Then set operating control to ON
or thermostat to call for heat.
TO SHUT OFF
1. Turn manual gas cock knob on combination gas valve to OFF.
2. Turn burner electrical power OFF.
SHOULD OVERHEATING OF THE GAS UTILIZATION EQUIPMENT OCCUR:
1. Shut off the main manual shut-off gas valve to the equipment.
2. DO NOT shut off the power switch to the burner, the equipment pump or blower.
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Lighting Instructions
Lighting Instructions