Sun Heat Mountainaire MA4000 Assembly instructions

MA4000
Repair Guide
!!Unplug The Purifier Before Servicing!!
DO NOT USE AN ELECTRIC DRILL TO FIX…
THIS MAY CAUSE DAMAGE TO INTERNAL COMPONENTS
A. How To Replace UV-C Bulb
B. How To Replace Ozone Plates
C. How To Replace Power Cord
D. How To Replace Fuse (1 amp)
E. How To Replace Center Housing
F.How To Replace Fan
G.How To Replace Ionizer

H.How To Replace Front Display Board
I.How To Replace On/Off and Power Cord Housing
J.How To Replace Automatic Safety Switch
K.How To Replace Circuit Board
L.How To Replace Negative Ion Generator
M.How To Replace Transformer
N.How To Replace Ozone Plate Brackets
O.How To Replace Bulb Sockets
P.Wiring Diagram
PLEASE CALL CUSTOMER SERVICE
FOR ASSISTANCE:
1-877-467-8643

A
How To Replace UV-C Bulb
!!Unplug The Purifier Before Servicing!!
In order to gain access to the UV-C bulb, all 4 filters need to be removed.
Picture of Center Housing
UV-C BULB
Bulb Sockets
Ozone Plates
Ozone Plate Brackets

A
NOTE: Do not touch the glass. The oils from your hands will cause the bulb to
burn out prematurely.
The bulb is secured into 2 slotted Bulb Sockets by green security tabs. In order to unlock the
tabs you must twist the UV-C bulb counter-clockwise (or towards you). This will release the
green tabs to allow for removal of the bulb.
Green tab opened
Bulb Sockets with green security tabs in place

B
How To Replace Ozone Plates
!!Unplug The Purifier Before Servicing!!
Please inspect Ozone Plates for cracks before and after washing. Each plate should be washed
in warm water before installation. Always allow the plates to properly dry before installing.
You are able to clean lightly with a soft brush and warm water as needed. Usually clean plates
once a month.
There are 2 Ozone Plates inside the Center Housing. Slide the plate out of its channel and
replace with new dry plate.
NOTE: If Ozone Plate is broken or cracked, replace before running Ozone setting.
Ozone Plates

C
How To Replace Power Cord
!!Unplug The Purifier Before Servicing!!
The PVC cable power cord is detachable. Remove the old cord and replace with new one.

D
How To Replace Fuse (1 amp)
!!Unplug The Purifier Before Servicing!!
In order to replace the fuse, the power cord will need to be removed.
Place a small flat screwdriver under lifting tab. Carefully lift up fuse holder to gain access to the
1 amp fuse.
Fuse

E
How To Remove Center Housing
!!Unplug The Purifier Before Servicing!!
To remove the center housing from the cabinet, remove the 4 screws located on the bottom.
Remove the 5 screws located on the back. The back panel will then come off.

E
Slide the Center Housing partially out to unhook the quick connect plugs and the front display
ribbon.
Once the 3 connections are disconnected, the center housing will slide completely out of the
cabinet.
front display ribbon
Fan quick connect plug
Ionizer quick connect plug

F
How To Replace Fan
!!Unplug The Purifier Before Servicing!!
With the Center Housing removed, you will have access to the fan. Then remove the 4
screws that hold the fan in place.
If you do not see the securing screws above, please see below on how to remove your fan.
Remove the front fan cover by pushing up and out on the bottom. Then you will see the 4
securing screws that need to be removed.
Front Fan cover
Negative Ion Attracting Plate