09/20
Model 1920HO/1920HPSHO/1920WHO
Page 2 of 10
REQUIRED TOOLS:
Screwdriver,
3/32” and 5/32” hex key set, adjustable wrench or socket.
LOCATION OF UNIT:
The Model 1920HO/1920HPSHO/1920WHO bottle filler water
dispenser can be installed in various applications. Possible installations include indoor over
an existing drinking fountain, outdoor over an existing fountain, or a standalone wall-mounted
bottle filler. When installing this unit, local, state or federal codes should be adhered to.
SUPPLY LINE:
The minimum recommended line size is 3/8" O.D. copper or plastic tubing
with 30-90 psi (2-6 ATM) pressure. Where sediment or mineral content is a problem, an inlet
filter is recommended.
PLUMBING CONNECTIONS
: Inlet is 3/8“ O.D. push-in type fitting.
ELECTRICAL CONNECTIONS: Bottle filler may be mounted on external wall of building
provided transformer shall be mounted inside the wall and protected from water as
shown on RKHO Series O&M installation details (page 8) per NEC/CEC and local code.
Transformer(s):
RKHO.120/120.P: 120 x 24 VAC, 60Hz, .68 AMPS.
RKHO.240: 240 x 24 VAC, 60Hz, .68 AMPS.
RKHO.120/120P/240: Refer to RKHO Series Operation and Maintenance Manual (pn
0580001032, supplied with unit) for transformer wiring Instructions.
MAINTENANCE:
Periodically clean the strainer (If one is used with your drinking fountain).
INSTALLATION PROCEDURE
GENERAL NOTES:
1. For all plastic push-in type fitting connections, only connect NSF-61 copper or
plastic tubing. Stainless steel or glass tubing is not recommended. The
following assembly instructions must be followed to ensure a watertight
connection:
a. Cut tubing square and clean.
b. Mark from end of tube the length of insertion (See table below).
c. Push tube into the fitting until it bottoms out.
d. To remove, depress collet and pull tubing out.
Tube Sizes
O.D.
Tolerance
Insertion Depth
1/4”
±.005”
11/16”
3/8”
±.005”
3/4”
1/2”
±.005”
7/8”
CLEANING INSTRUCTIONS FOR HI-POLISHED STAINLESS PRODUCTS:
Haws
’ recommended cleaning procedure for hi-polished stainless products is as follows:
Use a mild detergent or soap and water for removing stains and fingerprints or use a clean cloth
with window cleaner.
BOTTLE FILLER BRACKET:
If installing the bottle filler in new construction, use Model 6700 Mounting Plate. Follow the
installation instructions supplied with the 6700 for mounting dimensions. Reference Pages 5-10
of this document for 1920HO/1920HPSHO/1920WHO button heights when mounted over