YORK INTERNATIONAL
16
FIG. 10 –
STANDARD TIE-DOWN / NO SNUBBER
FOR UNITS CP85 - CP305
FIG. 9 –
SPRING ISOLATOR
3.
To adjust isolators:
First loosen nuts on top of
adjustment bolt. Then turn adjustment. Next check
operational height and level of frame. Repeat this
procedure until operational height and frame is level.
Finally, tighten nuts.
It is the responsibility of the installer
to insure vibration free operation, if
isolation is not supplied by YORK.
AIR SYSTEM
All duct work should be designed and installed accord-
ing to AMCA Standards.
AMCA Standard 201
re-
quires that the outlet duct be a
minimum of 3 wheel
diameters long
and is not greater than 107.5% nor
less than 87.5% of the fan outlet area. It also requires
that the slope of the transition elements should not be
greater than 15% for converging elements, nor greater
than 7% for diverging elements.
DUCT CONNECTION GUIDELINES
(See Figures 14 and 15)
All intake and discharge air duct connections to the unit
may be made directly to the unit with the exception of
external isolation options. These air duct connections
should be of flexible material and should be installed so
they are sufficiently loose. Duct turns and transitions
Installation
LD06333
ISOLATOR RAIL
STANDARD
GUSSET/TIE-DOWN
(DO NOT REMOVE)
2
1
STANDARD TIE-DOWN/NO SNUBBER
IN UNITS 2' HIGH INSIDE,
ONE TIE-DOWN WHICH IS
NOT ACCESSIBLE IS NOT
TIED DOWN.
REMOVE 4 BOLTS
FIG. 11 –
TIE-DOWN METHOD FOR UNIT
SIZES CP85 - CP1030
DO NOT REMOVE
BLOWER GUSSET
(WELDED)
WELDED
(DO NOT REMOVE)
STANDARD GUSSET
TIE-DOWN (WELDED)
ISOLATOR
RAIL
REMOVE BOLTS
REMOVE ANY SPACERS
FOUND BETWEEN BLOWER
GUSSET AND GUSSET
TIE-DOWN
3
4
TIE DOWN METHOD FOR
UNIT SIZES 85 THRU 1030
EXCEPT 125
FOR UNITS 65 & 125
TIE DOWN METHOD
FOR MIDDLE SPRINGS
ON 860 & 1030
6.90 TALL
9.00 TALL
LD06497
LD06498
FIG. 8 –
RUBBER-IN SHEAR ISOLATOR -
NO ADJUSTMENT
00486VIP
