Mr
S
team
Installation, Operation & Maintenance Manual
BOX CONTENTS:
•
AutoFlush Valve with Cord and Bushing
•
Nipple
•
Installation Instructions.
The optional AutoFlush feature automatically drains the MrSteam system
following each use. the stainless steel tank is flushed and remains empty
until it is used again. A time delay allows the water to cool down (about
two hours) before it drains resulting in a safe and gentle operation.
Installation Instructions
Plumbing to be performed by a qualified plumber and shall be in accor-
dance with applicable national and local codes. Unit drains by gravity.
A drain line that is lower than the AutoFlush assembly must be available.The AutoFlush valve outlet
is threaded 1/2" NPT. Check plumbing code for receptor, trap and vent requirements.
Sweat Fittings
When using sweat fittings use only tin base solder with a melting point below 600 degrees F. Do not overheat. Ends of
water supply tubing must be thoroughly clean for a minimum distance of 1" from ends. Do not remove valve cover.
TO PREVENT POSSIBLE ELECTRIC SHOCK, SHUT OFF POWER AT PANEL BOX
BEFORE REMOVING STEAM GENERATOR COVER.
1.
Using nipple provided connect AutoFlush valve end "B" to ball valve.
NOTE:
If there is not enough room for the valve, an elbow and a short nipple
(not provided) can be added.
2.
Connect valve end "A" and "B" are indicated on bottom of AutoFlush Valve.
3.
Open ball valve (handle must be aligned with brass nipple).
4.
Remove knock-out in jacket and connect cord.Connect cord to FLUSH terminals
on the liquid level control circuit board as shown in wiring diagram. Connect black
wire to BLK terminal. Connect white wire to WHT terminal.
NOTE:
If circuit board has MS-AUTOFLUSH terminals marked BLK WHT YEL BLU,
a time delay relay (TDR) kit is required. Call factory for 103583-AUTOFLUSH TDR KIT.
5.
Replace cover, secure it with screws and restore power.
To Check Operation
1.
Turn on MrSteam and allow tank to fill with water.
(see MrSteam instruction manual)
2.
Turn off MrSteam control. Water should stay in tank.
3.
Turn off power at the panel box.
Water should discharge from tank.
4.
Turn on power at panel box.
5.
Repeat
PROVIDE DRAIN PLUMBING
ACCORDING TO LOCAL CODES. PLUMB AS
REQUIRED FOR GRAVITY DRAIN SYSTEM.
Optional Autoflush System
11
Liquid Level
Control Board
To
Autoflush
Valve
Blu
Blk
Wht
Flush
!
CAUTION
!
WARNING
Mr
S
team
Liquid Level
Control Board
AutoFlush Valve
Nipple
Drain Ball
Valve
AutoFlush Cord
Bushing
Knock-Out
Assembly of Optional
Autoflush System