STULZ Ultra-Series Humidifier Controller
(Augu
st, 2013) 51
8.0 REPAIR PROCEDURES
8.1 General
Under normal operating conditions and with the proper preventive maintenance, the unit should provide excellent service
for many years. If necessary, the unit may be returned to the manufacturer for major overhaul and refurbishment. All work
must be performed by qualified technicians.
8.2 Component Replacement
Replaceable components may be removed and replaced from the controller using common hand tools. Ensure power is
disconnected from the controller before removing or replacing components.
WARNING
Power is still present inside the controller enclosure when the On/Off switch on the enclosure door is in the Off
position.
9.0 PRODUCT SUPPORT
STULZ provides its customers with Product Support which not only provides technical support and parts but the following
additional services, as requested:
• Performan
c
e Evaluations
• Start-up Assistan
ce
• Training
9.1 Technical Support
The STULZ Technical Support Department is dedicated to the prompt reply and solution to any problem encountered with
a unit. Should a problem develop that cannot be resolved using this manual, call (888) 529-1266 Monday through Friday
from 8:00 a.m. to 5:00 p.m. EST. If a problem occurs after business hours, provide your name and telephone number. One
of our service technicians will return your call.
When calling to obtain support, it is important to have the following information readily available, (information is found on
the unit’s nameplate):
• Unit Model Number
• STULZ Sale
s Order Num
ber
• STULZ I
tem Number
•
Unit
Serial Number
• Descriptio
n of Problem
9.2 Obtaining Warranty Parts
Warranty inquiries are to be made through the Technical Support Department at (888) 529-1266 Monday through Friday from 8:00
a.m. to 5:00 p.m. EST. A service technician at STULZ will troubleshoot the system over the telephone with a field service technician
to determine the defect of the part. If it is determined that the part may be defective a replacement part will be sent via UPS ground.
If the customer requests that warranty part(s) be sent by any other method than UPS ground the customer is responsible for the
shipping charges. If you do not have established credit with STULZ you must give a freight carrier account number.
A written (or faxed) purchase order is required on warranty parts and must be received prior to 12:00 p.m. for same day
shipment. The purchase order must contain the following items:
• Purcha
se Order Number
• D
a
te of Order
• STULZ Stated Part Price
• Customer Billing Address
• Shipping Ad
dres
s
• Custome
r’s Telephone and Fax Number
s
• Contact Name
• Unit Model No., Serial No. & STULZ Item No.
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