A
RUVG
MANUAL
2 of 35
June 14
TABLE OF CONTENTS
YOU
HAVE
RESPONSIBILITIES
TOO
...................................................................................................................................
4
INTRODUCTION
................................................................................................................................................................
4
SAFETY
PRECAUTIONS
......................................................................................................................................................
4
WARRANTY
.......................................................................................................................................................................
6
PARTS
................................................................................................................................................................................
7
RECEIVING
.........................................................................................................................................................................
7
TEMPORARY
STORAGE
.....................................................................................................................................................
7
INSTALLATION
...................................................................................................................................................................
7
CODES
...............................................................................................................................................................................
8
MINIMUM
CLEARANCE
TO
COMBUSTIBLES
AND
FOR
SERVICE
IN
INCHES
(mm)
..........................................................
10
LIFTING
............................................................................................................................................................................
10
MOUNTING
.....................................................................................................................................................................
11
SHIPPING
MATERIALS
.....................................................................................................................................................
11
PIPING,
ELECTRICAL
OR
CONTROL
SERVICE
CONNECTIONS
...........................................................................................
11
NATURAL
GAS
AND
PROPANE
INSTALLATION:
...............................................................................................................
12
GAS
LINE
TESTING
(EXTERNAL
TO
THE
UNIT)
.................................................................................................................
12
VENTING
PRODUCTS
OF
COMBUSTION
.........................................................................................................................
13
Indoor
Category
I
Vertical
Venting
.................................................................................................................................
13
COAXIAL
VENTING
..........................................................................................................................................................
15
Indoor
Category
III
Horizontal
Venting
...........................................................................................................................
15
SEPARATED
COMBUSTION
.............................................................................................................................................
14
COMBUSTION
AIR
DUCT
.................................................................................................................................................
16
FLUE
GAS
VENTING
.........................................................................................................................................................
16
PIPING,
ELECTRICAL
OR
CONTROL
SERVICE
CONNECTIONS
...........................................................................................
19
ELECTRICAL
INSTALLATION
.............................................................................................................................................
19
Recommended
24V
Field
Wiring
Size:
............................................................................................................................
20
COIL
CONNECTIONS
........................................................................................................................................................
21
DRAIN
TRAPS
..................................................................................................................................................................
21
FLUSHING
AND
DEGREASING
OF
WATER
AND
GLYCOL
COILS
.......................................................................................
22
HEAT
TRANSFER
FLUIDS
.................................................................................................................................................
22
BEFORE
START
‐
UP
..........................................................................................................................................................
23
START
‐
UP
CHECK
LIST
.....................................................................................................................................................
23
OPERATION
.....................................................................................................................................................................
25
SAFETY
SHUTOFF
VALVE
LEAK
TEST:
..............................................................................................................................
26
GAS
MANIFOLD
...............................................................................................................................................................
26
OPERATIONAL
CHECK
FOR
GAS
FIRED
RUVG
UNITS
.......................................................................................................
27
COMBUSTION
AND
FINAL
UNIT
CHECK
..........................................................................................................................
29
IGNITION
CONTROL
........................................................................................................................................................
30
UNIT
SHUT
‐
DOWN
INSTRUCTIONS
.................................................................................................................................
30
Service
Shut
Down
.................................................................................................................................................
30
Emergency
Shut
Down
...........................................................................................................................................
30
Start
‐
Up
After
Extended
Shut
‐
Down
Period
..........................................................................................................
30
MAINTENANCE
...............................................................................................................................................................
31
ELECTRICAL
.....................................................................................................................................................................
31
GAS
MANIFOLD
...............................................................................................................................................................
32
GAS
HEATER
....................................................................................................................................................................
32
VENT
TERMINALS
............................................................................................................................................................
32