York ECO2 YPAL 050 - Manual (Page 17)

17
2
JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
SECTION 2 – INSTALLATION
APPROVALS
Designed certifi ed by CSA, ETL, CETL as follows:
1. For use as a forced air furnace with cooling unit
(gas heat models).
2. For outdoor installation only.
3. For installation on combustible ma te ri al and may
be installed directly on combustible fl oor ing or
Class A, Class B or Class C roof covering ma te -
ri als.
4. For use with natural gas or LP.
5. When used with LP propane gas one of the follow-
ing conversion kits must be installed before the gas
heat section is fi red:
375,000 BTU Input - 385-01866-001
750,000 BTU Input - 385-01866-002
1,125,000 BTU Input - 385-01866-003
Not suitable for use with conventional venting
systems.
LIMITATIONS
The installation of this unit must conform to local
build ing codes, or in the absence of local codes, with
ANSI 223.1 Natural Fuel Gas Code and /or CAN/CGA
B149 in stal la tion codes.
In U.S.A.:
1. National Electrical Code ANSI/NFPA No. 70 - Lat-
est Edition.
2. National Fuel Gas Code Z223.1 - Latest Edition.
3. Gas-Fired Central Furnace Standard ANSI Z21.47
- Latest Edition.
4. Local gas utility requirements.
TABLE 2-1 – VOLTAGE LIMITATIONS
UNIT POWER
SUPPLY
VOLTAGE VARIATIONS
MIN. VOLTS MAX. VOLTS
575-3-60 518 632
480-3-60 415 506
230-3-60 207 253
200-3-60 187 228
Refer to Table 2-15 for airfl ow and entering air/ambient
conditions limitations, and Table 2-1 for voltage
limitations.
If the VAV boxes in the conditioned
space have hydronic heating coils
installed, it is the responsibility of the
installing contractor to take appropri-
ate measures to protect the hydronic
coils against low unit supply air tem-
peratures that could result in the freeze
up and rupture of the coils.
UNIT INSPECTION
Immediately upon receiving the unit, it should be
in spect ed for possible damage, which may have
oc curred during transit. If damage is evident, it should
be noted in the car ri er’s freight bill. A writ ten re quest
for in spec tion by the carrier’s agent should be made at
once. See “In struc tion” man u al, Form 50.15-NM for
more in for ma tion and de tails.
To ensure warranty cov er age, this
equip ment must be commissioned and
serviced by an authorized JOHNSON
CONTROLS ser vice mechanic or a
qual i fi ed service person ex pe ri enced
in pack aged roof top in stal la tion.
In stal la tion must comply with all ap-
pli ca ble codes, par tic u lar ly in regard
to elec tri cal wir ing and other safety
el e ments such as relief valves, HP
cut-out settings, de sign work ing pres-
sures, and ven ti la tion re quire ments
con sis tent with the amount and type
of re frig er ant charge.
Lethal voltages exist within the con trol
panels. Before servicing, open and tag
all dis con nect switches.
LOCATIONS AND CLEARANCES
GENERAL
The eco 2 air conditioning units are designed for outdoor
installation. When selecting a site for installation, be
guided by the following conditions:
• Unit must be installed on a level surface.
• For the outdoor location of the unit, select a place
having a minimum sun exposure and an adequate
supply of fresh air for the condenser.